Home / 78,833.09-118,246.32-36,698.69

Finding the Fourth Proportional to 78,833.09, 118,246.32 and 36,698.69

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Solution

The fourth proportional to 78,833.09, 118,246.32 and 36,698.69 is: 55,046.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833.09 : 118,246.32 = 36,698.69 : x
  2. Step 2: Convert to fraction form
    78,833.09/118,246.32 = 36,698.69/x
  3. Step 3: Cross multiply
    78,833.09x = 118,246.32 × 36,698.69
  4. Step 4: Simplify right side
    78,833.09x = 4,339,484,450.09
  5. Step 5: Solve for x
    x = 4,339,484,450.09/78,833.09
  6. Step 6: Final answer
    x = 55,046.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.